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Re: [MMUSIC] [rtcweb] BUNDLE: Attempting to resolve security consideration

Iñaki Baz Castillo <ibc@aliax.net> Mon, 06 March 2017 15:23 UTC

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From: Iñaki Baz Castillo <ibc@aliax.net>
Date: Mon, 06 Mar 2017 16:23:15 +0100
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To: Eric Rescorla <ekr@rtfm.com>
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Cc: Magnus Westerlund <magnus.westerlund@ericsson.com>, "rtcweb@ietf.org" <rtcweb@ietf.org>, "mmusic (E-mail)" <mmusic@ietf.org>
Subject: Re: [MMUSIC] [rtcweb] BUNDLE: Attempting to resolve security consideration
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2017-03-06 14:49 GMT+01:00 Eric Rescorla <ekr@rtfm.com>:
>> This is relevant when there are ~100000000 streams within a single RTP
>> session. If there are 10 streams, the exact risk is 10 / 2^32 =
>> 2.32e-09.
>
>
> This actually isn't quite correct (this is just the usual birthday paradox
> math)
> Assuming I haven't made a mistake, the correct formula is:
>
> 1 - (\prod_{i=0}^{9} 2^{32} - i)

Right :)

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